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2. A simplified guide to buying a dishwasher - AOL

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   Best value dishwasher: Bosch. 1. Bosch 300 Series Dishwasher. Dishwashers can range from a couple hundred bucks to a couple thousand, so finding a sweet spot can be tough. The Bosch 300 Series has ...

3. Make After-Dinner Cleanup a Snap With These Top-Rated Dishwashers

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   Noise is measured in decibels, and a dishwasher’s noise level is almost always included in its specs. For dishwashers, 44 decibels or less is ultra-quiet, 45 to 50 decibels is very quiet, and 51 ...

4. Decibel - Wikipedia

   en.wikipedia.org/wiki/Decibel

   The decibel originates from methods used to quantify signal loss in telegraph and telephone circuits. Until the mid-1920s, the unit for loss was miles of standard cable (MSC). 1 MSC corresponded to the loss of power over one mile (approximately 1.6 km) of standard telephone cable at a frequency of 5000 radians per second (795.8 Hz), and matched closely the smallest attenuation detectable to a ...

5. A-weighting - Wikipedia

   en.wikipedia.org/wiki/A-weighting

   A graph of the A-, B-, C- and D-weightings across the frequency range 10 Hz – 20 kHz Video illustrating A-weighting by analyzing a sine sweep (contains audio). A-weighting is a form of frequency weighting and the most commonly used of a family of curves defined in the International standard IEC 61672:2003 and various national standards relating to the measurement of sound pressure level. [1]

6. Sound reduction index - Wikipedia

   en.wikipedia.org/wiki/Sound_Reduction_Index

   The Sound Reduction Index is expressed in decibels (dB). It is the weighted sound reduction index for a partition or single component only. This is a laboratory-only measurement, which uses knowledge of the relative sizes of the rooms in the test suite, and the reverberation time in the receiving room, and the known level of noise which can pass between the rooms in the suite by other routes ...

7. Sound power - Wikipedia

   en.wikipedia.org/wiki/Sound_power

   TL. v. t. e. Sound power or acoustic power is the rate at which sound energy is emitted, reflected, transmitted or received, per unit time. [ 1] It is defined [ 2] as "through a surface, the product of the sound pressure, and the component of the particle velocity, at a point on the surface in the direction normal to the surface, integrated ...